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Patent Searching and Data


Title:
TIRE MOLD, AND METHOD FOR MANUFACTURING PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2021194824
Kind Code:
A
Abstract:
To provide a tire mold capable of centering a green tire that is set.SOLUTION: A tire mold 10 is provided with a tread ring 11 having: an annular tread molding surface 11a for molding a tread T1 of a green tire T; and a vent hole 35 for communicating between the tread molding surface 11a and a negative pressure source 5. The tread molding surface 11a has: a first vent region 31 provided at a plurality of locations in a circumferential direction, and in which an exhaust quantity per unit area by the vent hole 35 is a first exhaust quantity; and a second vent region 32 provided at a plurality of locations approximately equally spaced apart in a circumferential direction, and in which an exhaust quantity per unit area by the vent hole 35 is a second exhaust quantity larger than the first exhaust quantity.SELECTED DRAWING: Figure 3

Inventors:
YASUNAGA TOMOKAZU
Application Number:
JP2020101644A
Publication Date:
December 27, 2021
Filing Date:
June 11, 2020
Export Citation:
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Assignee:
TOYO TIRE CORP
International Classes:
B29C33/02; B29C33/10; B29C35/02; B29D30/06
Attorney, Agent or Firm:
Norihito Yamao
Yoshiyuki Maebori
Kawasaki Shigeo